Job Title

Location: Remote in the UKSalary: Up to 80k, DOE + EquityThis is a hands-on role with a strong emphasis on ownership, autonomy, and building scalable systems from the ground up. If you're excited by fast-paced environments, long-lasting technical decisions, and challenging engineering problems with meaningful impact, wed love to connect.Scroll down to find the complete details of the job offer, including experience required and associated duties and tasks.What youll gain from this role, and have the opportunity to deliver below. Shape and Influence System ArchitectureGain the opportunity to design and build full-stack applications from the ground up, defining scalable and maintainable architectures that directly impact product success. Be at the Heart of Product DevelopmentCollaborate with a cross-functional team of designers, product managers, and executives, gaining end-to-end visibility and influence over how ideas turn into successful products. Master Scalable EngineeringStrengthen your skills in building resilient, high-performance systems using best practices like microservices, event-driven architecture, and database optimization. Advance with Emerging TechnologiesDeepen your expertise or explore new areas such as blockchain (Ethereum, Solana, C2PA) and cryptographic security, setting yourself apart in a fast-evolving tech landscape.What Were Looking ForExpertise across back-end and have full-stack capabilitiesProficiency in Python and/or GoStrong background in building secure systems; authentication, authorization, encryption, and threat modellingExperience shipping high-quality SDKs or client-side librariesSolid understanding of REST API design and integrationFamiliarity with containerized deployment, cloud platforms (especially AWS), and infrastructure-as-code (Terraform)Excellent communication skills and attention to detail, especially around developer documentationBonus Points ForHands-on experience deploying and optimizing cloud-native applications in AWSUnderstanding of blockchain protocols, crypto wallets, EVM environments, or on-chain interactionsExperience building or integrating with AI systemsTech StackBackend: Python, GoFrontend: React, Next.jsInfrastructure: AWS (ECS, Lambda, Fargate, S3, CloudWatch), TerraformData: PostgreSQL, MongoDB, RedisDevOps: GitHub Actions, GitflowSecurity & Provenance: Hyperledger Besu, C2PAWhy Join Us?Tackle Big ProblemsHelp fight fraud, disinformation, and misuse of synthetic media. Your work will directly contribute to the security and trustworthiness of digital content.Build from Zero to OneJoin early, shape the stack, and influence both product and architecture decisions.Work with PurposeBe part of a team committed to responsible AI and media authenticity.